134512013 has 2 divisors, whose sum is σ = 134512014. Its totient is φ = 134512012.

The previous prime is 134512003. The next prime is 134512033. The reversal of 134512013 is 310215431.

It is an a-pointer prime, because the next prime (134512033) can be obtained adding 134512013 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127531849 + 6980164 = 11293^2 + 2642^2 .

It is an emirp because it is prime and its reverse (310215431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134512013 - 2¹⁰ = 134510989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134512003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67256006 + 67256007.

It is an arithmetic number, because the mean of its divisors is an integer number (67256007).

Almost surely, 2^134512013 is an apocalyptic number.

It is an amenable number.

134512013 is a deficient number, since it is larger than the sum of its proper divisors (1).

134512013 is an equidigital number, since it uses as much as digits as its factorization.

134512013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 134512013 is about 11597.9314103852. The cubic root of 134512013 is about 512.3739295694.

Adding to 134512013 its reverse (310215431), we get a palindrome (444727444).

The spelling of 134512013 in words is "one hundred thirty-four million, five hundred twelve thousand, thirteen".